Math tricks you will love to Show-Off
Math Tricks You'll Love to Show Off
Master mental math with these incredible tricks for Class 8-10 students. Impress friends and teachers with lightning-fast calculations!
Multiplying by 11
To multiply any two-digit number by 11, add the digits and place the sum between them. Works like magic!
Squaring Numbers Ending in 5
To square a number ending in 5, multiply the first digit by itself plus one, then append 25.
Doubling and Halving Trick
To multiply two numbers, double one and halve the other until you get an easy multiplication.
Multiplying Numbers Near 100
For numbers close to 100, find the differences from 100 and use them to calculate the product.
Subtracting from 1000
To subtract a number from 1000, subtract each digit from 9 except the last digit which you subtract from 10.
Multiplying by 9
To multiply any number by 9, multiply by 10 and subtract the original number.
Quick Percentage Calculation
To find 10% of a number, move the decimal point one place left. For 5%, find 10% and divide by 2.
Multiply Even Numbers by 5
To multiply an even number by 5, divide by 2 and add a zero at the end.
Adding Large Numbers Quickly
Round numbers to nearest 10/100, add, then adjust for the rounding difference.
Squaring Numbers Near 50
For numbers near 50, use the formula: (50�}d)2 = 2500 �} 100d + d2
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